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Competition in the British Electricity Spot Market

Green, Richard J., Newbery, David M.·1992·Journal of Political Economy

Abstract

Most of the British electricity supply industry has been privatized. Two dominant generators supply bulk electricity to an unregulated "pool." They submit a supply schedule of prices for generation and receive the market-clearing price, which varies with demand. Despite claims that this should be highly competitive, we show that the Nash equilibrium in supply schedules implies a high markup on marginal cost and substantial deadweight losses. Further simulations, to show the effect of entry by 1994, produce somewhat lower prices, at the cost of excessive entry; subdividing the generators into five firms would produce better results.

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Metadata

Authors
Green, R. J., & Newbery, D. M.
Venue
Journal of Political Economy
Published
1992-10
Volume
100
Issue
5
Pages
929-953
ISSN
  • 0022-3808 (ISSN-L)
  • 1537-534X
OpenAlex
W2067673416
Cited by
1,336
References
0
FWCI
11.66
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Competition in the British Electricity Spot Market. https://app.cochat.ai/papers/10.1086/261846
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Green, R. J., & Newbery, D. M. (1992). Competition in the British Electricity Spot Market. Journal of Political Economy. https://doi.org/10.1086/261846

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.